class_docstr: Helper utils for Model Archiver tool.
  This class lists out all the methods such as validations for model archiving.
code: def make_dir(d):
      if not os.path.isdir(d):
          os.makedirs(d)
  
imports: import glob
  import logging
  import os
  import re
  import shutil
  import tarfile
  import tempfile
  import zipfile
  from io import BytesIO
  from pathlib import Path
  from .manifest_components.manifest import Manifest
  from .manifest_components.model import Model
  from .model_archiver_config import ModelArchiverConfig
  from .model_archiver_error import ModelArchiverError
label_desc: Use image node_id 7 for calling the ModelExportUtils obj's underlying member method code with example usage: obj.make_dir(d) without return types